HESI RN
HESI Pediatric Practice Exam
1. A 14-year-old adolescent with a history of substance abuse is brought to the emergency department by the parents, who suspect that the adolescent has relapsed. What is the nurse’s priority action?
- A. Obtain a urine sample for toxicology screening
- B. Discuss treatment options with the parents
- C. Establish a therapeutic relationship with the adolescent
- D. Administer a medication to reverse the effects of the substance
Correct answer: A
Rationale: In this scenario, the nurse's priority action should be to obtain a urine sample for toxicology screening. This step is crucial in identifying the substances involved in the relapse, which will guide appropriate treatment strategies. By knowing the specific substances, healthcare providers can tailor treatment plans effectively. Establishing a therapeutic relationship and discussing treatment options come after obtaining necessary diagnostic information to ensure a comprehensive care plan. Administering a medication to reverse substance effects is not the initial priority; identification of the substances through toxicology screening should precede any treatment intervention.
2. The practical nurse is providing care for a toddler who has just returned from surgery for a tonsillectomy. Which intervention is a priority in the immediate postoperative period?
- A. Offer clear fluids frequently.
- B. Encourage the child to cough and deep breathe.
- C. Monitor for frequent swallowing.
- D. Apply a warm compress to the throat area.
Correct answer: C
Rationale: Monitoring for frequent swallowing is a priority intervention in the immediate postoperative period after a tonsillectomy. Frequent swallowing may indicate bleeding from the surgical site, which requires immediate attention to prevent complications such as hemorrhage. Offering clear fluids frequently may not be appropriate immediately after surgery. Encouraging coughing and deep breathing may increase the risk of bleeding. Applying a warm compress to the throat area is not recommended as it can increase blood flow to the surgical site, potentially causing bleeding.
3. A child who weighs 25 kg is receiving IV ampicillin at a dose of 300 mg/kg/24 hours in equally divided doses every 4 hours. How many milligrams should the nurse administer to the child for each dose?
- A. 1875 mg
- B. 625 mg
- C. 2000 mg
- D. 1500 mg
Correct answer: A
Rationale: To calculate the correct dose for each administration, you first need to find the total daily dose: 300 mg/kg * 25 kg = 7500 mg/day. Since this total dose is divided into equally divided doses every 4 hours, there are 6 doses in 24 hours. Therefore, 7500 mg ÷ 6 doses = 1250 mg per dose. The nurse should administer 1250 mg every 4 hours, resulting in a total of 1875 mg for each dose in a 24-hour period. Choice A, 1875 mg, is the correct answer. Choice B, 625 mg, is incorrect as it does not consider the total daily dose and the frequency of administration. Choice C, 2000 mg, is incorrect as it is not the calculated dosage based on the given parameters. Choice D, 1500 mg, is also incorrect as it does not reflect the correct dosage calculation for each dose.
4. The nurse is caring for a 3-year-old child who has been recently diagnosed with cystic fibrosis. Which discharge instruction by the nurse is most important to promote pulmonary function?
- A. Chest physiotherapy should be performed before meals and at bedtime
- B. Cough suppressants can be used up to four times a day for relief
- C. Oxygen should be given through a nasal cannula between 4-6 L/min
- D. Exercise is discouraged in order to preserve pulmonary vital capacity
Correct answer: B
Rationale: In cystic fibrosis, thick mucus obstructs the airways, making it difficult to clear from the lungs. Cough suppressants can help reduce the discomfort associated with persistent coughing, allowing the child to cough more effectively to clear the mucus, thus promoting pulmonary function. Chest physiotherapy, not exercise, helps mobilize the mucus. Oxygen therapy may be needed but is not the most important for promoting pulmonary function in this case.
5. In a 7-year-old child with a history of asthma experiencing an acute asthma exacerbation and displaying wheezing and the use of accessory muscles to breathe, what is the nurse’s priority intervention?
- A. Administer a nebulized bronchodilator
- B. Obtain an arterial blood gas
- C. Start the child on oxygen therapy
- D. Notify the healthcare provider
Correct answer: A
Rationale: The correct answer is to administer a nebulized bronchodilator. During an acute asthma exacerbation in a child with wheezing and increased work of breathing, the priority intervention is to provide immediate bronchodilation to dilate the airways, relieve bronchospasm, and improve breathing. This intervention aims to manage the acute asthma attack effectively and prevent further respiratory distress. Obtaining an arterial blood gas, starting oxygen therapy, or notifying the healthcare provider are important actions, but administering a bronchodilator takes precedence in addressing the acute respiratory compromise.
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